- Precision Measurements : The contrast pen on the lens allows you to easily compare measured values, enabling you to monitor atmospheric pressure changes over time. This feature helps you accurately assess weather trends. - Advanced Sensors : Equipped with a temperature sensor hair spring and a wet hair spring, this barometer employs a sophisticated gear structure and 1-second movement, ensuring reliable tracking of environmental conditions. The robust metal construction guarantees durability. - Accurate Readings : - Temperature Range: -30 to 50°C with an accuracy of +/- 2°C - Hygrometer Range: 0 to 100% RH with an accuracy of +/- 5% RH (optimal between 40 and 70% RH) - Barometer Range: 950 to 1070 hPa with an accuracy of +/- 5 hPa (optimal between 980 and 1040 hPa) - Quality Materials : The barometer features a brass housing, a sturdy bottom shell, and a clear acrylic lens, ensuring longevity and improved visibility of the readings. - Compact Design : This small set includes four instruments, making it a convenient solution for personal or professional use, while fitting easily into various settings. - Versatile Applications : Ideal for use in ships, factories, laboratories, and households, this barometer is perfect for anyone needing reliable weather information. Use it to monitor indoor climate conditions, ensure equipment operates within specified ranges, or prepare for outdoor activities. - User-Friendly : Designed for easy reading and clear measurement indicators, this barometer is suitable for users of all experience levels, combining function and simplicity in one compact tool.